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DC182 - 150 A - 2 x SP DT

The DC182 series of contactors has been designed for direct current loads, particularly motors as used on electric vehicles such as industrial trucks, airport tractors, and such like.

They have double breaking main contacts with silver alloy contact tips, which are weld resistant, hard wearing and have excellent conductivity.

The DC182 main contact circuit, designed for motor reversing, is such that it has a built in failsafe, so that if both coils are energised simultaneously the contact arrangement is open circuits.

The DC182 is a monoblock construction, resulting in a neat compact design which is compatible with modern electronic control systems. Main terminals can be configured in a variety of ways in order to suit the application.

Installation: Supplied with a mounting bracket as standard, or alternatively supplied with M5 tapped holes.

Magnetic Blowouts: Fitting of magnetic blowouts make the polarity sensitive and the positive markings on the top cover of the contactor must be observed. Suffix 'B' denotes the fitting of magnetic blowouts.

Auxiliary Contact: Denoted by 'A', a double circuit normally open, normally closed microswitch auxiliary contact can be fitted, ratings as shown below.

DC182 Technical Data
Main Contact Configuration
2 x SP DT
STUD, M8
Thermal Current Rating 100%
  150A
Intermittent Current Rating
30% Duty 275A
40% Duty 240A
50% Duty 225A
60% Duty 200A
70% Duty 180A
Typical fault currents which can be ruptured
(5ms time constant)
Without Blowouts 1000A at
With Blowouts 1000A at
Normally Open Contacts, Not Normally Closed Contacts
Maximum Recommended Contact Voltages
(Inductive Load)
Without Blowouts 48V D.C.
With Blowouts 96V D.C.
Typical Voltage Drop Across Contacts per 100A
Normally Open 30mV
Normally Closed 40mV
Mechanical Life
  >5 x 106
Coil power dissipation
Very Intermittent (HO) 40-50 Watts
Intermittently rated types(INT) 30-40 Watts
Prolonged rated types (PO) 15-25 Watts
Continuously rated types (CO) 10-15 Watts
Maximum pull-in voltage
Intermittently rated types 60%V
Continuously rated types 66%V
Typical drop-out voltage
  10-20%
Typical pull-in time
(n/o contacts to close) 30ms
Typical drop-out time
(n/o contacts to open)  
Without suppression 8ms
With diode suppression 60ms
With diode and resistor (depending on value) 25ms
Main Contact Change over time (milliseconds)
Normally Closed to Normally Open 12ms
Normally Open to Normally Closed 5ms
Typical contact bounce period
  3ms
Auxiliary contact thermal current rating
  5A
Auxiliary Contact Switching Capacities (Resistive Load)
5A at 24V D.C.
2A at 48V D.C.
0.5A at 240V D.C.
Typical Weight
1660gms
Recommended Mounting Orientation
Horizontal or Vertical, if vertical coil at bottom.
 
Available Options
General
Auxiliary Contacts
Magnetic Blowouts
Mounting Brackets
Closed Contact Housing
Environmentally Protected
EE Type (steel shroud)
Contact
Large Tips
Textured
Coil
Flying Leads
M5 Terminal Board
Coil Suppression
Manual Override Operation
AC Rectifier Board Fitted
Economy Circuit
 
Key
Standard
Optional
Not Available
 
 
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Please Note: All performance data provided should be used as a guide only. Some derating or variation from these figures may be necessary according to type and application